1

2

3

4

5

6

A

B

C

D

6

5

4

3

2

1

D

C

B

A

Title

Number

Revision

Size

B

Date:

24-May-2009

Sheet of

File:

C:\PROJEC~2\..\89S_EVB.SCH

Drawn By:

[AA-01] 89SXX Project Board

+ E1

10U

R1
10K

X1
11.05M

VCC

GND

4

VCC

8

A1

2

A2

3

WP

7

SCL

6

SDA

5

A0

1

U2
AT24CXX

VCC

SCL
SDA

C?

100N

VCC

1
2
3
4
5
6

J?

ISP

VCC

P1.5
P1.6
P1.7
RST

RST

+ E?

470U

C?
100N

+ E?

470U

1
2

J?

CON2

INPUT 9-12VDC

EEPROM MEMORY

MAIN PROCESSOR

RXD
TXD

STR

ISP PROGRAMMING

R?
1K

R?
120

R?
1K

VCC

VCC

RXD

TXD

DIR

DE

3

RE

2

D

4

A

6

B

7

R

1

VCC

8

GND

5

U?

DS75176B

1
2
3
4

J?

CON4

RS485 XCEIVER

C?

33P
C?

33P

SDA
SCL

2

3

4

5

6

7

8

9

1

RP?

10K

VCC

R2IN

8

T1IN

11

T2OUT

7

R1IN

13

T2IN

10

R1OUT

12

R2OUT

9

T1OUT

14

C1+

1

C1-

3

C2+

4

C2-

5

V-

6

V+

2

VCC

16

GND

15

U?
MAX232

+

E?
1U

+

E?

1U

VCC

+

E?

1U

+

E?

1U

VCC

1
6
2
7
3
8
4
9
5

K?

DB9

RXD

TXD

AUX2

AUX1

SW?

SW-PB

R?

100

P27

GND

4

VCC1

8

X1

2

X2

3

SCLK

7

I/O

6

RST

5

VCC2

1

U?

DS1302

X1
32K768

VCC

SCL
SDA

BAT?

3V

LD?
LED

R?

1K

VCC

REAL TIME CLOCK

DISP/KEY

EA/VP

31

X1

19

X2

18

RESET

9

RD

17

WR

16

INT0

12

INT1

13

T0

14

T1

15

P10

1

P11

2

P12

3

P13

4

P14

5

P15

6

P16

7

P17

8

P00

39

P01

38

P02

37

P03

36

P04

35

P05

34

P06

33

P07

32

P20

21

P21

22

P22

23

P23

24

P24

25

P25

26

P26

27

P27

28

PSEN

29

ALE/P

30

TXD

11

RXD

10

VCC

40

GND

20

U?

AT89SXX

D0
D1
D2
D3
RS
ENLCD
BACKLIT
KEYEN

DIR/RTC

DB?

1A

Vin

1

GND

2

+5V

3

U?
LM7805CT

C?
100N

VCC

VCC

R7

100

Q3
NPN

VSS

1

VDD

2

VO

3

RS

4

R/W

5

E

6

DB0

7

DB1

8

DB2

9

DB3

10

DB4

11

DB5

12

DB6

13

DB7

14

A

15

K

16

LCD?
LCD ALPHA

D0

D1

D2

D3

VCC

VCC

VO

VO

LCD CONTRAST

RS

ENLCD

R7

10K

BACKLIT

U?
POT2

DISP/KEY

1

2

3

4

5

6

7

8

9

10

JP?

PORT0

P00
P01
P02
P03
P04
P05
P06
P07

P20
P21
P22
P23
P24
P25
P26

DEBUG LED

P00
P01
P02
P03
P04
P05
P06
P07

P00

P01

P02

P03

P04

P05

P06

P07

1

2

3

4

5

6

7

8

9

10

JP?

PORT2

P27

P20

P21

P22

P23

P24

P25

P26

VCC

VCC

D?
4148

D?
4148

D?
4148

D?
4148

SW?
KEY1

SW?
KEY2

SW?
KEY3

SW?
KEY4

KEYEN

D0

D1

D2

D3

U?

PC817

U?

PC817

R7

10K

R7

10K

1
2

J?

CON2

1
2

J?

CON2

P00

P01

STR

1

D

2

CLK

3

OE

15

Q1

4

Q2

5

Q3

6

Q4

7

Q5

14

Q6

13

Q7

12

Q8

11

QS

9

QS

10

VCC

16

GND

8

U?
CD4094

VCC

VCC

STR
SDA
SCL

LED ARRAY INDICATOR

BARGRAPH

RS232

R7

10K

Q3
NPN

J?
RELAY-DPDT

D?
4148

VCC

1
2
3
4

J?

CON4

R?

100

R?

100

RTC

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

SW?

SW DIP-8

P00
P01
P02
P03
P04
P05
P06
P07

OPTO INPUT

LD?
LED

LD?
LED

VCC

VCC

uc_sbc.BOM

Bill of Material for C:\PROJEC~2\MICROS~1\SCH&PC~1\UC_SBC.PCB
On 24-Jul-2008 at 07:03:47

Comment Pattern Quantity Components
---------------------------------------------------------------------------
---

100 R.4 3 R3, R4, R5
100N CAP 3 C1, C4, C5
10K R.4 5 R1, R2, R6, R7, R8
10K SIP9 1 RP1
10U EL2 1 E1
11M0592 XTAL-3 1 X1
120 R.4 1 R13
1K R.4 2 R10, R11
1N4148 DK 6 D1, D2, D3, D4, D5, D7
1N4148 DK3 1 D6
1U EL2 4 E3, E4, E5, E6
24CXX IC8 1 U1
32.8k XTAL-2 1 X2
330 R.4 2 R9, R12
4094 IC-16 1 U2
470U E3A 2 E2, E7
47P CAP-B 2 C2, C3
5K VR-COMBO 1 VR1

7805 TO-220 1 U9

AT89SXX IC40 1 U3
BG 8BARGRAPH 1 DS1
BLUE LED5MM 2 L1, L2
C3200 TO-92AA 2 Q1, Q2
DB9 DB9RA/F 1 K11
DIPSW8 DIPSW8 1 SW1
DS1302 IC8 1 U6
DS75176 IC8 1 U5
IDC2X5 IDC10 2 K1, K2
INT CON-4-IA 1 K3
ISP SIP-6 1 K4
JP JPR 12 J2, J4, J5, J6, J7, J22, J24,
J25, J26, J27, J28, J31
JP JPR300 11 J1, J3, J8, J9, J10, J13, J15,
J21, J23, J29, J30
JP JPR500 5 J16, J17, J18, J19, J20
JP JPR600 3 J11, J12, J14
LCD LCD 16X2 - 2 1 D8
MAX232 IC-16 1 U4
PS 2WAY 5 K5, K7, K8, K9, K10
PS JUMPER 1 JPR1
REL RELAY_DPDT2 1 RLY1
RJ11 RJ11 1 K6
SW TACT SW-KE 5 S1, S2, S3, S4, S5
TLP IC4 2 U7, U8
VBCK BAT-HLDR 1 BAT1
W01 BRG KECIL1 1 DB1

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